2155706084

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{8039}}^1$

素因数の和:8268

約数の個数: 48

約数和(自身を含む): 4410551040

約数和(自身を除く): 2254844956

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 157, 244, 314, 427, 628, 854, 1099, 1708, 2198, 4396, 8039, 9577, 16078, 19154, 32156, 38308, 56273, 67039, 112546, 134078, 225092, 268156, 490379, 980758, 1262123, 1961516, 2524246, 3432653, 5048492, 6865306, 8834861, 13730612, 17669722, 35339444, 76989503, 153979006, 307958012, 538926521, 1077853042, 2155706084]

約数ペア:

[(1, 2155706084), (2, 1077853042), (4, 538926521), (7, 307958012), (14, 153979006), (28, 76989503), (61, 35339444), (122, 17669722), (157, 13730612), (244, 8834861), (314, 6865306), (427, 5048492), (628, 3432653), (854, 2524246), (1099, 1961516), (1708, 1262123), (2198, 980758), (4396, 490379), (8039, 268156), (9577, 225092), (16078, 134078), (19154, 112546), (32156, 67039), (38308, 56273)]